[Sass] Avoid the troublesome /i regexp flag.
[Sass] Avoid the troublesome /i regexp flag.

See http://redmine.ruby-lang.org/issues/show/2943 for details.

Anshdesire/sass,cmpereirasi/sass,dg1dd1ngs/haml,jaroot32/sass,14113/sass,OrenBochman/sass,HugoRLopes/sass,Nzaga/sass,amatsuda/haml,nazar-pc/haml,srawlins/sass,zaru/sass,stanhu/haml,hcatlin/sass,baiyanghese/sass,jaroot32/sass,oss-practice/sass,keithpitty/haml,Iamronan/sass,xzyfer/sass,Industrys/sass,stewx/sass,danielfein/sass,Andrey-Pavlov/sass,macressler/haml,MetaAshley/sass,Ahnita/sass,OrenBochman/sass,DanteKaris/sass,chriseppstein/haml,modulexcite/sass,haml/haml,chriseppstein/haml,tenderlove/sass,StephanieMak/sass,amitsuroliya/sass,JuanitoFatas/sass,antonifs/sass,PMArtz92/sass,PMArtz92/sass,rammy7219/sass,tangposmarvin/haml,haml/haml,lmetla/sass,haml/haml,Nzaga/sass,chriseppstein/sass,HugoRLopes/sass,Anshdesire/sass,concord-consortium/haml,dg1dd1ngs/haml,nicklima/sass,nicklima/sass,uniba/hamldoc_ja,schneems/sass,keithpitty/haml,srinivashappy/sass,schneems/sass,Galactix/sass,stewx/sass,tangposmarvin/haml,Galactix/sass,StephanieMak/sass,ridixcr/sass,askl56/sass,hcatlin/sass,saper/sass,Iamronan/sass,modulexcite/sass,Andrey-Pavlov/sass,JuanitoFatas/sass,srinivashappy/sass,nickg33/sass,tangposmarvin/sass,ridixcr/sass,dylannnn/sass,zaru/sass,stanhu/haml,antonifs/sass,lmetla/sass,MetaAshley/sass,askl56/sass,haml/haml,saper/sass,macressler/haml,Industrys/sass,briangonzalez/sass,Ahnita/sass,nazar-pc/haml,liquidmetal/sass,rammy7219/sass,srawlins/sass,dylannnn/sass,danielfein/sass,xzyfer/sass,amitsuroliya/sass,cmpereirasi/sass,sideci-sample/sideci-sample-haml,DanteKaris/sass,nickg33/sass,liquidmetal/sass,tangposmarvin/sass